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-rw-r--r--lib/python/qmk/flashers.py7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/python/qmk/flashers.py b/lib/python/qmk/flashers.py
index 7ee1bc8de7..2cca4941d3 100644
--- a/lib/python/qmk/flashers.py
+++ b/lib/python/qmk/flashers.py
@@ -202,6 +202,10 @@ def _flash_mdloader(file):
def _flash_uf2(file):
+ output = cli.run(['util/uf2conv.py', '--info', file]).stdout
+ if 'UF2 File' not in output:
+ return True
+
cli.run(['util/uf2conv.py', '--deploy', file], capture_output=False)
@@ -235,7 +239,8 @@ def flasher(mcu, file):
elif bl == 'md-boot':
_flash_mdloader(file)
elif bl == '_uf2_compatible_':
- _flash_uf2(file)
+ if _flash_uf2(file):
+ return (True, "Flashing only supports uf2 format files.")
else:
return (True, "Known bootloader found but flashing not currently supported!")